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. 2021 Sep 10;22(18):9776. doi: 10.3390/ijms22189776

Figure 3.

Figure 3

Antibacterial activity of R23R, R23L (A) and modified peptides R23R*, R23L* (B) after 24 h of co-incubation the peptides with the P. aeruginosa (strain PA103) cells. Various concentrations of gentamicin sulfate were used as positive control for the antimicrobial effect. Control is LB medium containing cell culture in 2% (volume/volume) DMSO without peptide and gentamicin sulfate. Error bars show standard errors. # Optical density is equal to zero for 174 µM concentration of gentamicin sulfate. ## Optical density is equal to zero for 1740 µM concentration of gentamicin sulfate.